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Finding the Fourth Proportional to 397.98, 596.57 and 167.03

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Solution

The fourth proportional to 397.98, 596.57 and 167.03 is: 250.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    397.98 : 596.57 = 167.03 : x
  2. Step 2: Convert to fraction form
    397.98/596.57 = 167.03/x
  3. Step 3: Cross multiply
    397.98x = 596.57 × 167.03
  4. Step 4: Simplify right side
    397.98x = 99,643.51
  5. Step 5: Solve for x
    x = 99,643.51/397.98
  6. Step 6: Final answer
    x = 250.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.